amill66 amill66
  • 20-12-2020
  • Mathematics
contestada

If f(x) =2x + 7 and g(x) = x² -2, what is [fo gl(3)?

-7
-1
1
7

will mark as brainly !!

If fx 2x 7 and gx x 2 what is fo gl3 7 1 1 7 will mark as brainly class=

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2004froggy
2004froggy 2004froggy
  • 20-12-2020

Answer: -7

Step-by-step explanation:

Plug in 3 for x^2-2, you would then get 7 since 3^2 is 9 and you subtract it to get the answer for g(x).  Plug in that number for f(x) and you would get -7 as a result. -2(7) would equal to -14 since you are multiplying a positive and negative and adding it will still be -7 which makes your initial answer wrong.

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